Detection device of screw machine

Abstract

The utility model discloses a detection device of a screw machine, which is characterized in that the upper surface of a workbench is fixedly connected with a support frame, the inner side surface of the support frame is fixedly connected with a sliding rail, the sliding rail is slidably connected with a first sliding block, the inner top surface of the support frame is fixedly connected with a hydraulic cylinder, and the output end of the hydraulic cylinder is fixedly connected with a push rod; the end, away from the hydraulic cylinder, of the push rod is fixedly connected with a fixing plate, a first fixing device is arranged on the fixing plate, a second fixing device is arranged on the workbench, the first fixing device and the second fixing device comprise motors, and a sensor can be driven to slide through cooperation of a sliding rail and a sliding block. The parallel detection can be realized, the sensor can be always kept vertical, and errors caused by inclination are avoided, so that the screw size and position detection precision is improved, the size of each screw can meet the requirement, and the consistency and stability of screw machine products can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a detection device for a screwdriver machine. Background Art

[0002] With the intensification of market competition and the strict requirements of customers for product quality, screwdriver machine manufacturing enterprises must continuously improve the product quality level to ensure that the screw size, shape, strength and other indicators meet the standards. After the screws are produced and processed, their sizes need to be measured. However, traditionally, operators hold a measuring scale in their hands and measure the screws one by one. During the measurement process, one hand needs to hold the screw and the other hand needs to operate the scale, which is rather cumbersome and the detection efficiency is not high. For example, China has published "a detection device for a screwdriver machine" with the application number: "CN202121764658.1". By lifting the pressing block and using the elastic force of the compression spring to press the screw vertically against the upper end of the base, and then reading the value through the scale line opened on the outer side of the mounting rod, the measurement efficiency is improved. However, it cannot perform parallel detection to ensure that the sensor always remains vertical and avoid errors caused by inclination, and cannot guarantee the stability during the detection process. Content of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a detection device for a screwdriver machine. Through the cooperation of the slide rail and the slider, the sensor can be driven to slide, and parallel detection can be performed to ensure that the sensor always remains vertical, avoiding errors caused by inclination, thereby improving the accuracy of screw size and position detection, ensuring that the size of each screw meets the requirements, and being beneficial to ensuring the consistency and stability of the screwdriver machine products; through the cooperation of the hydraulic cylinder, the push rod, the fixing plate and the two fixing devices, the stability during the detection process can be guaranteed, the normal operation of the sensor can be ensured, the measurement error caused by external factor interference can be avoided, and the accuracy and repeatability of the detection are improved.

[0004] The present utility model also provides a detection device having the above-mentioned screw machine, including: a workbench, on the upper surface of the workbench is fixedly connected with a support frame, on the inner side surface of the support frame is fixedly connected with a slide rail, a first slider is slidably connected on the slide rail, on the inner top surface of the support frame is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a push rod, the end of the push rod away from the hydraulic cylinder is fixedly connected with a fixing plate, a first fixing device is arranged on the fixing plate, a second fixing device is arranged on the workbench, the first fixing device and the second fixing device each include a motor, the output end of the motor is fixedly connected with a lead screw, a second slider is slidably connected on the lead screw, the outer surface of the second slider is fixedly connected with a connecting rod, and the outer surface of the connecting rod is fixedly connected with a clamping plate. Through the cooperation of the slide rail and the slider, the sensor can be driven to slide, and parallel detection can be carried out to ensure that the sensor always remains vertical, avoiding errors caused by inclination, thereby improving the accuracy of screw size and position detection, ensuring that the size of each screw meets the requirements, and being beneficial to ensuring the consistency and stability of the screw machine products; through the cooperation of the hydraulic cylinder, the push rod, the fixing plate and the two fixing devices, the stability during the detection process can be ensured, the normal operation of the sensor can be ensured, and measurement errors caused by external factor interference can be avoided, which is beneficial to improving the accuracy and repeatability of the detection.

[0005] According to the detection device of a screw machine described in the present utility model, a first sensor is fixedly connected to the outer surface of the first slider, and a second sensor is fixedly connected to the outer surface of the clamping plate, which can quickly detect the diameter and pitch of one end of the screw.

[0006] According to the detection device of a screw machine described in the present utility model, a first slot is arranged on the fixing plate, and the first fixing device is located in the first slot, which can reduce the protruding height of the device.

[0007] According to the detection device of a screw machine described in the present utility model, a second slot is arranged on the workbench, and the second fixing device is located in the second slot, which can reduce the protruding height of the device.

[0008] According to the detection device of a screw machine described in the present utility model, the other end of the lead screw is rotatably connected with a fixing block, and the fixing block is fixedly connected to the first slot and the second slot respectively, which can improve the structural stability of the lead screw.

[0009] According to the detection device of a screw machine described in the present utility model, limit plates are fixedly connected to both ends of the slide rail, and the limit plates are fixedly connected to the support frame, which can prevent the slider from derailing.

[0010] According to the detection device of a screw machine described in the present utility model, the clamping plate is a curved plate, and a rubber plate is fixedly connected to the outer surface of the clamping plate, which can better fix the workpiece and prevent damage to the workpiece.

[0011] A detection device for a screwdriver according to the present utility model, wherein a third sensor is fixedly connected to the outer surface of the fixing plate, and the diameter of the other end of the screw can be quickly detected.

[0012] Beneficial effects

[0013] 1. Compared with the prior art, in this new detection device for a screwdriver, through the cooperation of the slide rail and the slider, the sensor can be driven to slide, and parallel detection can be carried out to ensure that the sensor always remains perpendicular, avoiding errors caused by inclination, thereby improving the accuracy of screw size and position detection, ensuring that the size of each screw meets the requirements, and being beneficial to ensuring the consistency and stability of the screwdriver products.

[0014] 2. Compared with the prior art, in this new detection device for a screwdriver, through the cooperation of the hydraulic cylinder, the push rod, the fixing plate and the two fixing devices, the stability during the detection process can be guaranteed, the normal operation of the sensor can be ensured, and measurement errors caused by external factor interference can be avoided, which is beneficial to improving the accuracy and repeatability of detection. Description of the drawings

[0015] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0016] Figure 1 It is the right view structure diagram of the detection device for the screwdriver of the present utility model;

[0017] Figure 2 It is the top view structure diagram of the detection device for the screwdriver of the present utility model;

[0018] Figure 3 It is the left view structure diagram of the detection device for the screwdriver of the present utility model;

[0019] Figure 4 It is the schematic diagram of the fixing plate connection structure of the detection device for the screwdriver of the present utility model.

[0020] Legend description:

[0021] 1. Workbench; 2. Support frame; 3. Slide rail; 4. First slider; 5. Motor; 6. Hydraulic cylinder; 7. Push rod; 8. Fixing plate; 9. First fixing device; 10. Second fixing device; 11. Second slider; 12. Connecting rod; 13. Clamping plate; 14. Lead screw. Specific implementation manners

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0023] Referring to Figures 1-4 , an inspection device for a screwdriver in an embodiment of the present utility model includes: a workbench 1 for fixedly supporting the entire device. A support frame 2 is fixedly connected to the upper surface of the workbench 1 for supporting other structures. An inner side surface of the support frame 2 is fixedly connected with a slide rail 3 for the first slider 4 to slide. The first slider 4 is slidably connected to the slide rail 3 for driving the first sensor to slide to detect the thread pitch of the screw. An inner top surface of the support frame 2 is fixedly connected with a hydraulic cylinder 6 for providing power to the push rod 7. The output end of the hydraulic cylinder 6 is fixedly connected with a push rod 7 for pushing out the fixing plate 8. One end of the push rod 7 away from the hydraulic cylinder 6 is fixedly connected with a fixing plate 8 for fixing one end of the screw. A first fixing device 9 is arranged on the fixing plate 8 for fixing one end of the screw. A second fixing device 10 is arranged on the workbench 1 for fixing one end of the screw. The first fixing device 9 and the second fixing device 10 include a motor 5 for providing power to the lead screw 14. The output end of the motor 5 is fixedly connected with a lead screw 14 for the second slider 11 to slide. The second slider 11 is slidably connected to the lead screw 14 for driving the connecting rod 12 to slide. An outer surface of the second slider 11 is fixedly connected with a connecting rod 12 for connecting the second slider 11 and the clamping plate 13. An outer surface of the connecting rod 12 is fixedly connected with a clamping plate 13 for fixing one end of the screw.

[0024] A first sensor is fixedly connected to the outer surface of the first slider 4 for detecting the thread pitch of the screw. A second sensor is fixedly connected to the outer surface of the clamping plate 13 for detecting the diameter of the screw. A first slot is arranged on the fixing plate 8, and the first fixing device 9 is located in the first slot. A second slot is arranged on the workbench 1, and the second fixing device 10 is located in the second slot. The other end of the lead screw 14 is rotatably connected with a fixing block for stabilizing the other end of the lead screw 14. The fixing block is fixedly connected to the first slot and the second slot respectively. Limit plates are fixedly connected to both ends of the slide rail 3 for restricting the position of the second slider 11. The limit plates are fixedly connected to the support frame 2. The clamping plate 13 is a curved plate, and a rubber plate is fixedly connected to the outer surface of the clamping plate 13. A third sensor is fixedly connected to the outer surface of the fixing plate 8 for detecting the diameter of the other end of the screw.

[0025] Working principle: During use, place the screws produced by the screwdriver on the workbench 1. The hydraulic cylinder 6 pushes out the push rod 7, and the push rod 7 pushes out the fixed plate 8 to fix one end of the screw. The height of the screw is detected by the third sensor. Then, the motor 5 in the first fixing device 9 on the fixed plate 8 and the second fixing device 10 on the workbench 1 drives the lead screw 14 to rotate. The second slider 11 slides on the lead screw 14, driving the connecting rod 12 and the clamping plate 13 to slide, clamping and fixing the screw. The radius of both ends of the screw is detected by the second sensor. Then, the first slider 4 slides on the slide rail 3, driving the first sensor to slide to detect the screw pitch.

[0026] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. A detection device for a screw machine, characterized in that: include: A workbench (1), wherein the upper surface of the workbench (1) is fixedly connected to a support frame (2), the inner side surface of the support frame (2) is fixedly connected to a slide rail (3), a first slider (4) is slidably connected to the slide rail (3), a hydraulic cylinder (6) is fixedly connected to the inner top surface of the support frame (2), the output end of the hydraulic cylinder (6) is fixedly connected to a push rod (7), the end of the push rod (7) away from the hydraulic cylinder (6) is fixedly connected to a fixed plate (8), a first fixing device (9) is arranged on the fixed plate (8), a second fixing device (10) is arranged on the workbench (1), the first fixing device (9) and the second fixing device (10) include a motor (5), the output end of the motor (5) is fixedly connected to a screw rod (14), a second slider (11) is slidably connected to the screw rod (14), the outer surface of the second slider (11) is fixedly connected to a connecting rod (12), and the outer surface of the connecting rod (12) is fixedly connected to a clamping plate (13).

2. A screw machine detection device according to claim 1, characterized in that: A first sensor is fixedly connected to the outer surface of the first sliding block (4), and a second sensor is fixedly connected to the outer surface of the clamping plate (13).

3. A screw machine detection device according to claim 1, characterized in that: The fixing plate (8) is provided with a first slot, and the first fixing device (9) is located in the first slot.

4. A screw machine detection device according to claim 1, characterized in that: The workbench (1) is provided with a second slot, and the second fixing device (10) is located in the second slot.

5. A screw machine detection device according to claim 1, characterized in that: The other end of the screw rod (14) is rotatably connected to a fixing block, and the fixing block is respectively fixedly connected to the first slot and the second slot.

6. A screw machine detection device according to claim 1, characterized in that: Both ends of the slide rail (3) are fixedly connected to limit plates, and the limit plates are fixedly connected to the support frame (2).

7. A screw machine detection device according to claim 1, characterized in that: The clamping plate (13) is a curved plate, and a rubber plate is fixedly connected to the outer surface of the clamping plate (13).

8. The detection device for a screw machine according to claim 1, characterized in that: A third sensor is fixedly connected to the outer surface of the fixing plate (8).

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